madlyvsmammyTell them apart

Quick tell: madly is a adverb, mammy is a noun, so they fill different roles in a sentence.

Which to use

“madly” is an adverb and “mammy” is a noun - they look or sound alike but fill different roles in a sentence.

#23,331
“madly” frequency rank
#46,044
“mammy” frequency rank
69375
confusion score

Side-by-Side Comparison

Feature madly mammy
Definition In a mad manner mamma; mother

Letter map: madly vs mammy

Shared letters muted; letters that set madly and mammy apart highlighted. Shared run: 3. madly and mammy follow the identical consonant-vowel pattern (CVCCV). Same shape at a glance is often the real trap, independent of shared letters.

5 ch
madly
5 ch
mammy

Role in the sentence - madly and mammy

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: madly is anadverb and mammyanoun. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 69375, derived from the frequency rank of both members and their visual similarity.

madly is recorded at frequency rank #23,331, classified as anadv, pronounced /ˈmædli/. mammy is at rank #46,044, tagged as anoun.

Glosses for this pair are partially populated in our dataset, but the full side-by-side definitions above should still guide you to the right choice.

With a confusion score of 69375, this pair ranks #54,850 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of madly vs mammy

Shared letters: amy. Private to "madly": dl. Private to "mammy": -.

"madly" · 5 letters · shape CVCCV  ·  "mammy" · 5 letters · shape CVCCV

Known mistypes of this pair

  • madly ← amdly · maddly · madlly · madlyy · madyl · maldy · mdaly · mmadly
  • mammy ← ammmy · mammyy · mamy · mamym · mmammy · mmamy

Frequently Asked Questions

Is swapping "madly" for "mammy" ever safe?
No - they are not even the same part of speech. "madly" is an adverb and "mammy" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary English text, does "madly" or "mammy" show up more?
"madly" is the more common of the two: it sits at frequency rank #23,331 in our English list, against #46,044 for "mammy". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Done with this confusable. These links stay specific to "madly" and "mammy".

  • Full dictionary entry for "madly" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "mammy" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #54,850 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "madly" and "mammy" also get mixed up with nearby pairs, the highest-scored neighbour is "mammary vs mammy". Nearby pair
  • Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes

Confusion rank #54,850 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list